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system

  1. Desktop987456

    System Boiler reviews

    Hello, I am looking at Zanussi Ultra System 18kw. Does anybody has any experience with this brand. I have heard about thier other appliances like hobs and dishwasher but not much on boiler. https://www.freeboilermanuals.com/assets/pdf/Zanussi/zanussi-system.compressed.pdf A brand new unit is...
  2. N

    Is this changed domestic hot water system design going to work ok?

    Hi, We are having PV panels fitted which will dump the excess energy into our hot water tank. Our house originally had a large 210L economy7 hot water tank (cold tank in loft), but the hot water tank died 18 years ago. At that time we fitted a smaller 117litre tank and went for fitting electric...
  3. J

    Worcester greenstar 4000 refill system

    Hi guys just wondering how to top up pressure on this Worcester boiler after draining system down Also an unvented cylinder upstairs and solar panels Many thanks
  4. A

    System boiler with vented system (bodged new install, what next)

    Previously had a WB Greenstar R28 HE System boiler with 4 pipes and vented (gravity fed) cylinder. No valves or pumps outside of the boiler. Worked fine for 20 years. Decided to change to Viessmann 050-W System boiler when WB failed but keep the same set up with cylinder. Gas Safe installer I...
  5. cotswoldmark

    Leaking Water cylinder, behind anti corrosion system

    Hi - I have a plumber booked in to look at this, but I would also like to understand myself what is causing the issue we have. We have a slow drip of water coming from behind the anticorrosion unit on our Ariston unvented water cylinder. The pink "nozzle" behind the Protech unit appears to be...
  6. L

    System boiler issue : rads very Hot middle of night .

    Boiler was serviced 2 months ago by Vaillant . Timer /control seems fine. Thermostat looks less than 3 years old .Timer turns off heating /water at 10pm due back on at 5 am . Friend woken up by warmth from rads .All rads too hot to touch almost . where could the issue be ? cheers
  7. M

    Help needed on Ideal Logic Heat 15 System Boiler showing F3 error code

    Ideal Logic Heat 15 System Boiler Hi. Just started to get an F3 Fan Fault on this boiler. On power up there seems to be a quiet thump from somewhere then it goes through the start up sequence. It spends a few seconds on the ‘c’ display before coming up with the F3 error code. Can anyone advise...
  8. chloeradhsaw

    Gurgling Noise From Rad When System Drained F&E Empty And Boiler Off

    My heat only gas boiler is drained from the boiler drain valve - There is no water in the F&E tank. The hot water vented cylinder is removed. So far so good Twice this evening I heard radiator gurgling noises which frightened the life out of me I cant seem to reproduce the noise and I cant get...
  9. P

    System losing flow/pressure

    Hello everyone, I have a problem that has stumped two plumbers so I thought i'd come to a forum to see if anyone out there has had a similar problem. I live in a top floor flat with its own water supply. The tap in the kitchen has 12litres per minute flow (near where the water enters the...
  10. G

    combi boiler system draindown problem

    during drain down of system with all trc open and bleed valves open water just continues to drain out and boiler pressure remains at 1.5bar.Baxi combi boiler 105
  11. J

    Pipe size for heat pump system

    I am sizing the central heating pipes for a complete replacement. The property has an elongated floor plan so I have used a piping layout consisting of single flow and return headers running the length of the property and take-offs to and from radiators. Currently there is a combi boiler...
  12. P

    Ferroli system boiler CH comes on when HW called

    Hi, would appreciate any thoughts on the below. I have an almost 10yr old Ferroli Modena 32S HE system boiler. (I am aware of their reputation! ) 2 weeks ago HW went lukewarm. When HW was called, the rads came on. The cylinder motorised valve has been replaced today, but it's not fixed the...
  13. M

    Power flush & system corrosion

    In December 2022 (i.e. 5 months ago) I had a full system power flush conducted. Now the previously clear UFH flow gauges are black again. Is it possible that enough internal corrosion could have occurred in this time period? I had a separate plumber out a month ago to test some pipework and he...
  14. 89murph

    Glowworm Flexicom 30cx- repressurize my system

    I think the braided pipe is the one for repressurizing, but unable to find taps.
  15. J

    Cant refill heating system back boiler run off parkray coal fire

    My father has a parkray fire which has a back boiler . He had a leaky radiator, when he was attempting to fix leak the circulating pump (grundfos) was making a rattling noise this stopped once the radiator leak was fixed ( he lost a fair bit of water ) . The problem being now is that the...
  16. M

    What type of system do I have?

    Hi, I've recently moved home and would like to identify what type of system I have installed please. I've att'd a few photos. Please could someone help with this? I don't thinks it’s a combi, but may be wrong. There is no expansion tank in the loft thank you !
  17. C

    Replacing Honeywell Smartfit system.

    I’m about to replace my Honeywell Smartfit system with a conventional 2 channel heating pack (I’ll need new valves to replace the low voltage Smartfit units). I was initially looking at something basic like the Drayton Twin Zone Heating Control Pack, but would prefer a wireless stat if...
  18. M_Nash95

    Ideal System 15 losing pressure; pressure dial violently twitching

    Hi there, I am renting at the moment. Our boiler is an Ideal System 15. Within an hour or two of moving in and turning the heat on the boiler lost pressure. Now it loses pressure any time that it is turned on. If the boiler pressure is set below 1.5 bars cold it will lose all pressure in about...
  19. H

    System boiler modulation with low loss header LLH

    Hi there, thanks for taking the time to read this. I've been trying to diagnose why my gas consumption is so high and been doing various measurements and tests. With the UFH, my setup is about 10 room zones connected on two separate UF manifolds linked to one UF pump with a return blending...
  20. M

    System boiler and plastic 10mm pipes to rads

    I am told I need to replace my boiler. I am considering a system boiler so I can lose the tank in the loft and feed it direct from the mains water. My rads are fed by 10mm plastic pipe. Is there much of a pressure increase with a system boiler and will the plastic pipe joints (e.g. John Guest...

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